|
|
# -*- coding: utf-8 -*-
|
|
|
"""test View objects
|
|
|
|
|
|
Authors:
|
|
|
|
|
|
* Min RK
|
|
|
"""
|
|
|
#-------------------------------------------------------------------------------
|
|
|
# Copyright (C) 2011 The IPython Development Team
|
|
|
#
|
|
|
# Distributed under the terms of the BSD License. The full license is in
|
|
|
# the file COPYING, distributed as part of this software.
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
|
|
#-------------------------------------------------------------------------------
|
|
|
# Imports
|
|
|
#-------------------------------------------------------------------------------
|
|
|
|
|
|
import sys
|
|
|
import platform
|
|
|
import time
|
|
|
from tempfile import mktemp
|
|
|
from StringIO import StringIO
|
|
|
|
|
|
import zmq
|
|
|
from nose import SkipTest
|
|
|
|
|
|
from IPython.testing import decorators as dec
|
|
|
from IPython.testing.ipunittest import ParametricTestCase
|
|
|
|
|
|
from IPython import parallel as pmod
|
|
|
from IPython.parallel import error
|
|
|
from IPython.parallel import AsyncResult, AsyncHubResult, AsyncMapResult
|
|
|
from IPython.parallel import DirectView
|
|
|
from IPython.parallel.util import interactive
|
|
|
|
|
|
from IPython.parallel.tests import add_engines
|
|
|
|
|
|
from .clienttest import ClusterTestCase, crash, wait, skip_without
|
|
|
|
|
|
def setup():
|
|
|
add_engines(3, total=True)
|
|
|
|
|
|
class TestView(ClusterTestCase, ParametricTestCase):
|
|
|
|
|
|
def setUp(self):
|
|
|
# On Win XP, wait for resource cleanup, else parallel test group fails
|
|
|
if platform.system() == "Windows" and platform.win32_ver()[0] == "XP":
|
|
|
# 1 sec fails. 1.5 sec seems ok. Using 2 sec for margin of safety
|
|
|
time.sleep(2)
|
|
|
super(TestView, self).setUp()
|
|
|
|
|
|
def test_z_crash_mux(self):
|
|
|
"""test graceful handling of engine death (direct)"""
|
|
|
raise SkipTest("crash tests disabled, due to undesirable crash reports")
|
|
|
# self.add_engines(1)
|
|
|
eid = self.client.ids[-1]
|
|
|
ar = self.client[eid].apply_async(crash)
|
|
|
self.assertRaisesRemote(error.EngineError, ar.get, 10)
|
|
|
eid = ar.engine_id
|
|
|
tic = time.time()
|
|
|
while eid in self.client.ids and time.time()-tic < 5:
|
|
|
time.sleep(.01)
|
|
|
self.client.spin()
|
|
|
self.assertFalse(eid in self.client.ids, "Engine should have died")
|
|
|
|
|
|
def test_push_pull(self):
|
|
|
"""test pushing and pulling"""
|
|
|
data = dict(a=10, b=1.05, c=range(10), d={'e':(1,2),'f':'hi'})
|
|
|
t = self.client.ids[-1]
|
|
|
v = self.client[t]
|
|
|
push = v.push
|
|
|
pull = v.pull
|
|
|
v.block=True
|
|
|
nengines = len(self.client)
|
|
|
push({'data':data})
|
|
|
d = pull('data')
|
|
|
self.assertEqual(d, data)
|
|
|
self.client[:].push({'data':data})
|
|
|
d = self.client[:].pull('data', block=True)
|
|
|
self.assertEqual(d, nengines*[data])
|
|
|
ar = push({'data':data}, block=False)
|
|
|
self.assertTrue(isinstance(ar, AsyncResult))
|
|
|
r = ar.get()
|
|
|
ar = self.client[:].pull('data', block=False)
|
|
|
self.assertTrue(isinstance(ar, AsyncResult))
|
|
|
r = ar.get()
|
|
|
self.assertEqual(r, nengines*[data])
|
|
|
self.client[:].push(dict(a=10,b=20))
|
|
|
r = self.client[:].pull(('a','b'), block=True)
|
|
|
self.assertEqual(r, nengines*[[10,20]])
|
|
|
|
|
|
def test_push_pull_function(self):
|
|
|
"test pushing and pulling functions"
|
|
|
def testf(x):
|
|
|
return 2.0*x
|
|
|
|
|
|
t = self.client.ids[-1]
|
|
|
v = self.client[t]
|
|
|
v.block=True
|
|
|
push = v.push
|
|
|
pull = v.pull
|
|
|
execute = v.execute
|
|
|
push({'testf':testf})
|
|
|
r = pull('testf')
|
|
|
self.assertEqual(r(1.0), testf(1.0))
|
|
|
execute('r = testf(10)')
|
|
|
r = pull('r')
|
|
|
self.assertEqual(r, testf(10))
|
|
|
ar = self.client[:].push({'testf':testf}, block=False)
|
|
|
ar.get()
|
|
|
ar = self.client[:].pull('testf', block=False)
|
|
|
rlist = ar.get()
|
|
|
for r in rlist:
|
|
|
self.assertEqual(r(1.0), testf(1.0))
|
|
|
execute("def g(x): return x*x")
|
|
|
r = pull(('testf','g'))
|
|
|
self.assertEqual((r[0](10),r[1](10)), (testf(10), 100))
|
|
|
|
|
|
def test_push_function_globals(self):
|
|
|
"""test that pushed functions have access to globals"""
|
|
|
@interactive
|
|
|
def geta():
|
|
|
return a
|
|
|
# self.add_engines(1)
|
|
|
v = self.client[-1]
|
|
|
v.block=True
|
|
|
v['f'] = geta
|
|
|
self.assertRaisesRemote(NameError, v.execute, 'b=f()')
|
|
|
v.execute('a=5')
|
|
|
v.execute('b=f()')
|
|
|
self.assertEqual(v['b'], 5)
|
|
|
|
|
|
def test_push_function_defaults(self):
|
|
|
"""test that pushed functions preserve default args"""
|
|
|
def echo(a=10):
|
|
|
return a
|
|
|
v = self.client[-1]
|
|
|
v.block=True
|
|
|
v['f'] = echo
|
|
|
v.execute('b=f()')
|
|
|
self.assertEqual(v['b'], 10)
|
|
|
|
|
|
def test_get_result(self):
|
|
|
"""test getting results from the Hub."""
|
|
|
c = pmod.Client(profile='iptest')
|
|
|
# self.add_engines(1)
|
|
|
t = c.ids[-1]
|
|
|
v = c[t]
|
|
|
v2 = self.client[t]
|
|
|
ar = v.apply_async(wait, 1)
|
|
|
# give the monitor time to notice the message
|
|
|
time.sleep(.25)
|
|
|
ahr = v2.get_result(ar.msg_ids)
|
|
|
self.assertTrue(isinstance(ahr, AsyncHubResult))
|
|
|
self.assertEqual(ahr.get(), ar.get())
|
|
|
ar2 = v2.get_result(ar.msg_ids)
|
|
|
self.assertFalse(isinstance(ar2, AsyncHubResult))
|
|
|
c.spin()
|
|
|
c.close()
|
|
|
|
|
|
def test_run_newline(self):
|
|
|
"""test that run appends newline to files"""
|
|
|
tmpfile = mktemp()
|
|
|
with open(tmpfile, 'w') as f:
|
|
|
f.write("""def g():
|
|
|
return 5
|
|
|
""")
|
|
|
v = self.client[-1]
|
|
|
v.run(tmpfile, block=True)
|
|
|
self.assertEqual(v.apply_sync(lambda f: f(), pmod.Reference('g')), 5)
|
|
|
|
|
|
def test_apply_tracked(self):
|
|
|
"""test tracking for apply"""
|
|
|
# self.add_engines(1)
|
|
|
t = self.client.ids[-1]
|
|
|
v = self.client[t]
|
|
|
v.block=False
|
|
|
def echo(n=1024*1024, **kwargs):
|
|
|
with v.temp_flags(**kwargs):
|
|
|
return v.apply(lambda x: x, 'x'*n)
|
|
|
ar = echo(1, track=False)
|
|
|
self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker))
|
|
|
self.assertTrue(ar.sent)
|
|
|
ar = echo(track=True)
|
|
|
self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker))
|
|
|
self.assertEqual(ar.sent, ar._tracker.done)
|
|
|
ar._tracker.wait()
|
|
|
self.assertTrue(ar.sent)
|
|
|
|
|
|
def test_push_tracked(self):
|
|
|
t = self.client.ids[-1]
|
|
|
ns = dict(x='x'*1024*1024)
|
|
|
v = self.client[t]
|
|
|
ar = v.push(ns, block=False, track=False)
|
|
|
self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker))
|
|
|
self.assertTrue(ar.sent)
|
|
|
|
|
|
ar = v.push(ns, block=False, track=True)
|
|
|
self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker))
|
|
|
ar._tracker.wait()
|
|
|
self.assertEqual(ar.sent, ar._tracker.done)
|
|
|
self.assertTrue(ar.sent)
|
|
|
ar.get()
|
|
|
|
|
|
def test_scatter_tracked(self):
|
|
|
t = self.client.ids
|
|
|
x='x'*1024*1024
|
|
|
ar = self.client[t].scatter('x', x, block=False, track=False)
|
|
|
self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker))
|
|
|
self.assertTrue(ar.sent)
|
|
|
|
|
|
ar = self.client[t].scatter('x', x, block=False, track=True)
|
|
|
self.assertTrue(isinstance(ar._tracker, zmq.MessageTracker))
|
|
|
self.assertEqual(ar.sent, ar._tracker.done)
|
|
|
ar._tracker.wait()
|
|
|
self.assertTrue(ar.sent)
|
|
|
ar.get()
|
|
|
|
|
|
def test_remote_reference(self):
|
|
|
v = self.client[-1]
|
|
|
v['a'] = 123
|
|
|
ra = pmod.Reference('a')
|
|
|
b = v.apply_sync(lambda x: x, ra)
|
|
|
self.assertEqual(b, 123)
|
|
|
|
|
|
|
|
|
def test_scatter_gather(self):
|
|
|
view = self.client[:]
|
|
|
seq1 = range(16)
|
|
|
view.scatter('a', seq1)
|
|
|
seq2 = view.gather('a', block=True)
|
|
|
self.assertEqual(seq2, seq1)
|
|
|
self.assertRaisesRemote(NameError, view.gather, 'asdf', block=True)
|
|
|
|
|
|
@skip_without('numpy')
|
|
|
def test_scatter_gather_numpy(self):
|
|
|
import numpy
|
|
|
from numpy.testing.utils import assert_array_equal, assert_array_almost_equal
|
|
|
view = self.client[:]
|
|
|
a = numpy.arange(64)
|
|
|
view.scatter('a', a, block=True)
|
|
|
b = view.gather('a', block=True)
|
|
|
assert_array_equal(b, a)
|
|
|
|
|
|
def test_scatter_gather_lazy(self):
|
|
|
"""scatter/gather with targets='all'"""
|
|
|
view = self.client.direct_view(targets='all')
|
|
|
x = range(64)
|
|
|
view.scatter('x', x)
|
|
|
gathered = view.gather('x', block=True)
|
|
|
self.assertEqual(gathered, x)
|
|
|
|
|
|
|
|
|
@dec.known_failure_py3
|
|
|
@skip_without('numpy')
|
|
|
def test_push_numpy_nocopy(self):
|
|
|
import numpy
|
|
|
view = self.client[:]
|
|
|
a = numpy.arange(64)
|
|
|
view['A'] = a
|
|
|
@interactive
|
|
|
def check_writeable(x):
|
|
|
return x.flags.writeable
|
|
|
|
|
|
for flag in view.apply_sync(check_writeable, pmod.Reference('A')):
|
|
|
self.assertFalse(flag, "array is writeable, push shouldn't have pickled it")
|
|
|
|
|
|
view.push(dict(B=a))
|
|
|
for flag in view.apply_sync(check_writeable, pmod.Reference('B')):
|
|
|
self.assertFalse(flag, "array is writeable, push shouldn't have pickled it")
|
|
|
|
|
|
@skip_without('numpy')
|
|
|
def test_apply_numpy(self):
|
|
|
"""view.apply(f, ndarray)"""
|
|
|
import numpy
|
|
|
from numpy.testing.utils import assert_array_equal, assert_array_almost_equal
|
|
|
|
|
|
A = numpy.random.random((100,100))
|
|
|
view = self.client[-1]
|
|
|
for dt in [ 'int32', 'uint8', 'float32', 'float64' ]:
|
|
|
B = A.astype(dt)
|
|
|
C = view.apply_sync(lambda x:x, B)
|
|
|
assert_array_equal(B,C)
|
|
|
|
|
|
@skip_without('numpy')
|
|
|
def test_push_pull_recarray(self):
|
|
|
"""push/pull recarrays"""
|
|
|
import numpy
|
|
|
from numpy.testing.utils import assert_array_equal
|
|
|
|
|
|
view = self.client[-1]
|
|
|
|
|
|
R = numpy.array([
|
|
|
(1, 'hi', 0.),
|
|
|
(2**30, 'there', 2.5),
|
|
|
(-99999, 'world', -12345.6789),
|
|
|
], [('n', int), ('s', '|S10'), ('f', float)])
|
|
|
|
|
|
view['RR'] = R
|
|
|
R2 = view['RR']
|
|
|
|
|
|
r_dtype, r_shape = view.apply_sync(interactive(lambda : (RR.dtype, RR.shape)))
|
|
|
self.assertEqual(r_dtype, R.dtype)
|
|
|
self.assertEqual(r_shape, R.shape)
|
|
|
self.assertEqual(R2.dtype, R.dtype)
|
|
|
self.assertEqual(R2.shape, R.shape)
|
|
|
assert_array_equal(R2, R)
|
|
|
|
|
|
def test_map(self):
|
|
|
view = self.client[:]
|
|
|
def f(x):
|
|
|
return x**2
|
|
|
data = range(16)
|
|
|
r = view.map_sync(f, data)
|
|
|
self.assertEqual(r, map(f, data))
|
|
|
|
|
|
def test_map_iterable(self):
|
|
|
"""test map on iterables (direct)"""
|
|
|
view = self.client[:]
|
|
|
# 101 is prime, so it won't be evenly distributed
|
|
|
arr = range(101)
|
|
|
# ensure it will be an iterator, even in Python 3
|
|
|
it = iter(arr)
|
|
|
r = view.map_sync(lambda x:x, arr)
|
|
|
self.assertEqual(r, list(arr))
|
|
|
|
|
|
def test_scatter_gather_nonblocking(self):
|
|
|
data = range(16)
|
|
|
view = self.client[:]
|
|
|
view.scatter('a', data, block=False)
|
|
|
ar = view.gather('a', block=False)
|
|
|
self.assertEqual(ar.get(), data)
|
|
|
|
|
|
@skip_without('numpy')
|
|
|
def test_scatter_gather_numpy_nonblocking(self):
|
|
|
import numpy
|
|
|
from numpy.testing.utils import assert_array_equal, assert_array_almost_equal
|
|
|
a = numpy.arange(64)
|
|
|
view = self.client[:]
|
|
|
ar = view.scatter('a', a, block=False)
|
|
|
self.assertTrue(isinstance(ar, AsyncResult))
|
|
|
amr = view.gather('a', block=False)
|
|
|
self.assertTrue(isinstance(amr, AsyncMapResult))
|
|
|
assert_array_equal(amr.get(), a)
|
|
|
|
|
|
def test_execute(self):
|
|
|
view = self.client[:]
|
|
|
# self.client.debug=True
|
|
|
execute = view.execute
|
|
|
ar = execute('c=30', block=False)
|
|
|
self.assertTrue(isinstance(ar, AsyncResult))
|
|
|
ar = execute('d=[0,1,2]', block=False)
|
|
|
self.client.wait(ar, 1)
|
|
|
self.assertEqual(len(ar.get()), len(self.client))
|
|
|
for c in view['c']:
|
|
|
self.assertEqual(c, 30)
|
|
|
|
|
|
def test_abort(self):
|
|
|
view = self.client[-1]
|
|
|
ar = view.execute('import time; time.sleep(1)', block=False)
|
|
|
ar2 = view.apply_async(lambda : 2)
|
|
|
ar3 = view.apply_async(lambda : 3)
|
|
|
view.abort(ar2)
|
|
|
view.abort(ar3.msg_ids)
|
|
|
self.assertRaises(error.TaskAborted, ar2.get)
|
|
|
self.assertRaises(error.TaskAborted, ar3.get)
|
|
|
|
|
|
def test_abort_all(self):
|
|
|
"""view.abort() aborts all outstanding tasks"""
|
|
|
view = self.client[-1]
|
|
|
ars = [ view.apply_async(time.sleep, 0.25) for i in range(10) ]
|
|
|
view.abort()
|
|
|
view.wait(timeout=5)
|
|
|
for ar in ars[5:]:
|
|
|
self.assertRaises(error.TaskAborted, ar.get)
|
|
|
|
|
|
def test_temp_flags(self):
|
|
|
view = self.client[-1]
|
|
|
view.block=True
|
|
|
with view.temp_flags(block=False):
|
|
|
self.assertFalse(view.block)
|
|
|
self.assertTrue(view.block)
|
|
|
|
|
|
@dec.known_failure_py3
|
|
|
def test_importer(self):
|
|
|
view = self.client[-1]
|
|
|
view.clear(block=True)
|
|
|
with view.importer:
|
|
|
import re
|
|
|
|
|
|
@interactive
|
|
|
def findall(pat, s):
|
|
|
# this globals() step isn't necessary in real code
|
|
|
# only to prevent a closure in the test
|
|
|
re = globals()['re']
|
|
|
return re.findall(pat, s)
|
|
|
|
|
|
self.assertEqual(view.apply_sync(findall, '\w+', 'hello world'), 'hello world'.split())
|
|
|
|
|
|
def test_unicode_execute(self):
|
|
|
"""test executing unicode strings"""
|
|
|
v = self.client[-1]
|
|
|
v.block=True
|
|
|
if sys.version_info[0] >= 3:
|
|
|
code="a='é'"
|
|
|
else:
|
|
|
code=u"a=u'é'"
|
|
|
v.execute(code)
|
|
|
self.assertEqual(v['a'], u'é')
|
|
|
|
|
|
def test_unicode_apply_result(self):
|
|
|
"""test unicode apply results"""
|
|
|
v = self.client[-1]
|
|
|
r = v.apply_sync(lambda : u'é')
|
|
|
self.assertEqual(r, u'é')
|
|
|
|
|
|
def test_unicode_apply_arg(self):
|
|
|
"""test passing unicode arguments to apply"""
|
|
|
v = self.client[-1]
|
|
|
|
|
|
@interactive
|
|
|
def check_unicode(a, check):
|
|
|
assert isinstance(a, unicode), "%r is not unicode"%a
|
|
|
assert isinstance(check, bytes), "%r is not bytes"%check
|
|
|
assert a.encode('utf8') == check, "%s != %s"%(a,check)
|
|
|
|
|
|
for s in [ u'é', u'ßø®∫',u'asdf' ]:
|
|
|
try:
|
|
|
v.apply_sync(check_unicode, s, s.encode('utf8'))
|
|
|
except error.RemoteError as e:
|
|
|
if e.ename == 'AssertionError':
|
|
|
self.fail(e.evalue)
|
|
|
else:
|
|
|
raise e
|
|
|
|
|
|
def test_map_reference(self):
|
|
|
"""view.map(<Reference>, *seqs) should work"""
|
|
|
v = self.client[:]
|
|
|
v.scatter('n', self.client.ids, flatten=True)
|
|
|
v.execute("f = lambda x,y: x*y")
|
|
|
rf = pmod.Reference('f')
|
|
|
nlist = list(range(10))
|
|
|
mlist = nlist[::-1]
|
|
|
expected = [ m*n for m,n in zip(mlist, nlist) ]
|
|
|
result = v.map_sync(rf, mlist, nlist)
|
|
|
self.assertEqual(result, expected)
|
|
|
|
|
|
def test_apply_reference(self):
|
|
|
"""view.apply(<Reference>, *args) should work"""
|
|
|
v = self.client[:]
|
|
|
v.scatter('n', self.client.ids, flatten=True)
|
|
|
v.execute("f = lambda x: n*x")
|
|
|
rf = pmod.Reference('f')
|
|
|
result = v.apply_sync(rf, 5)
|
|
|
expected = [ 5*id for id in self.client.ids ]
|
|
|
self.assertEqual(result, expected)
|
|
|
|
|
|
def test_eval_reference(self):
|
|
|
v = self.client[self.client.ids[0]]
|
|
|
v['g'] = range(5)
|
|
|
rg = pmod.Reference('g[0]')
|
|
|
echo = lambda x:x
|
|
|
self.assertEqual(v.apply_sync(echo, rg), 0)
|
|
|
|
|
|
def test_reference_nameerror(self):
|
|
|
v = self.client[self.client.ids[0]]
|
|
|
r = pmod.Reference('elvis_has_left')
|
|
|
echo = lambda x:x
|
|
|
self.assertRaisesRemote(NameError, v.apply_sync, echo, r)
|
|
|
|
|
|
def test_single_engine_map(self):
|
|
|
e0 = self.client[self.client.ids[0]]
|
|
|
r = range(5)
|
|
|
check = [ -1*i for i in r ]
|
|
|
result = e0.map_sync(lambda x: -1*x, r)
|
|
|
self.assertEqual(result, check)
|
|
|
|
|
|
def test_len(self):
|
|
|
"""len(view) makes sense"""
|
|
|
e0 = self.client[self.client.ids[0]]
|
|
|
yield self.assertEqual(len(e0), 1)
|
|
|
v = self.client[:]
|
|
|
yield self.assertEqual(len(v), len(self.client.ids))
|
|
|
v = self.client.direct_view('all')
|
|
|
yield self.assertEqual(len(v), len(self.client.ids))
|
|
|
v = self.client[:2]
|
|
|
yield self.assertEqual(len(v), 2)
|
|
|
v = self.client[:1]
|
|
|
yield self.assertEqual(len(v), 1)
|
|
|
v = self.client.load_balanced_view()
|
|
|
yield self.assertEqual(len(v), len(self.client.ids))
|
|
|
# parametric tests seem to require manual closing?
|
|
|
self.client.close()
|
|
|
|
|
|
|
|
|
# begin execute tests
|
|
|
|
|
|
def test_execute_reply(self):
|
|
|
e0 = self.client[self.client.ids[0]]
|
|
|
e0.block = True
|
|
|
ar = e0.execute("5", silent=False)
|
|
|
er = ar.get()
|
|
|
self.assertEqual(str(er), "<ExecuteReply[%i]: 5>" % er.execution_count)
|
|
|
self.assertEqual(er.pyout['data']['text/plain'], '5')
|
|
|
|
|
|
def test_execute_reply_stdout(self):
|
|
|
e0 = self.client[self.client.ids[0]]
|
|
|
e0.block = True
|
|
|
ar = e0.execute("print (5)", silent=False)
|
|
|
er = ar.get()
|
|
|
self.assertEqual(er.stdout.strip(), '5')
|
|
|
|
|
|
def test_execute_pyout(self):
|
|
|
"""execute triggers pyout with silent=False"""
|
|
|
view = self.client[:]
|
|
|
ar = view.execute("5", silent=False, block=True)
|
|
|
|
|
|
expected = [{'text/plain' : '5'}] * len(view)
|
|
|
mimes = [ out['data'] for out in ar.pyout ]
|
|
|
self.assertEqual(mimes, expected)
|
|
|
|
|
|
def test_execute_silent(self):
|
|
|
"""execute does not trigger pyout with silent=True"""
|
|
|
view = self.client[:]
|
|
|
ar = view.execute("5", block=True)
|
|
|
expected = [None] * len(view)
|
|
|
self.assertEqual(ar.pyout, expected)
|
|
|
|
|
|
def test_execute_magic(self):
|
|
|
"""execute accepts IPython commands"""
|
|
|
view = self.client[:]
|
|
|
view.execute("a = 5")
|
|
|
ar = view.execute("%whos", block=True)
|
|
|
# this will raise, if that failed
|
|
|
ar.get(5)
|
|
|
for stdout in ar.stdout:
|
|
|
lines = stdout.splitlines()
|
|
|
self.assertEqual(lines[0].split(), ['Variable', 'Type', 'Data/Info'])
|
|
|
found = False
|
|
|
for line in lines[2:]:
|
|
|
split = line.split()
|
|
|
if split == ['a', 'int', '5']:
|
|
|
found = True
|
|
|
break
|
|
|
self.assertTrue(found, "whos output wrong: %s" % stdout)
|
|
|
|
|
|
def test_execute_displaypub(self):
|
|
|
"""execute tracks display_pub output"""
|
|
|
view = self.client[:]
|
|
|
view.execute("from IPython.core.display import *")
|
|
|
ar = view.execute("[ display(i) for i in range(5) ]", block=True)
|
|
|
|
|
|
expected = [ {u'text/plain' : unicode(j)} for j in range(5) ]
|
|
|
for outputs in ar.outputs:
|
|
|
mimes = [ out['data'] for out in outputs ]
|
|
|
self.assertEqual(mimes, expected)
|
|
|
|
|
|
def test_apply_displaypub(self):
|
|
|
"""apply tracks display_pub output"""
|
|
|
view = self.client[:]
|
|
|
view.execute("from IPython.core.display import *")
|
|
|
|
|
|
@interactive
|
|
|
def publish():
|
|
|
[ display(i) for i in range(5) ]
|
|
|
|
|
|
ar = view.apply_async(publish)
|
|
|
ar.get(5)
|
|
|
expected = [ {u'text/plain' : unicode(j)} for j in range(5) ]
|
|
|
for outputs in ar.outputs:
|
|
|
mimes = [ out['data'] for out in outputs ]
|
|
|
self.assertEqual(mimes, expected)
|
|
|
|
|
|
def test_execute_raises(self):
|
|
|
"""exceptions in execute requests raise appropriately"""
|
|
|
view = self.client[-1]
|
|
|
ar = view.execute("1/0")
|
|
|
self.assertRaisesRemote(ZeroDivisionError, ar.get, 2)
|
|
|
|
|
|
@dec.skipif_not_matplotlib
|
|
|
def test_magic_pylab(self):
|
|
|
"""%pylab works on engines"""
|
|
|
view = self.client[-1]
|
|
|
ar = view.execute("%pylab inline")
|
|
|
# at least check if this raised:
|
|
|
reply = ar.get(5)
|
|
|
# include imports, in case user config
|
|
|
ar = view.execute("plot(rand(100))", silent=False)
|
|
|
reply = ar.get(5)
|
|
|
self.assertEqual(len(reply.outputs), 1)
|
|
|
output = reply.outputs[0]
|
|
|
self.assertTrue("data" in output)
|
|
|
data = output['data']
|
|
|
self.assertTrue("image/png" in data)
|
|
|
|
|
|
|
|
|
|
